CVE-2026-6246: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in mkerstner Simple Random Posts Shortcode
The Simple Random Posts Shortcode plugin for WordPress up to version 0. 3 contains a stored cross-site scripting (XSS) vulnerability in the 'container_right_width' attribute of its shortcode. This vulnerability arises from insufficient input sanitization and output escaping, allowing authenticated users with contributor-level access or higher to inject malicious scripts. These scripts execute whenever any user accesses the affected page. The vulnerability has a CVSS 3. 1 score of 6. 4, indicating a medium severity level. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
CVE-2026-6246 is a stored cross-site scripting vulnerability in the Simple Random Posts Shortcode WordPress plugin (up to version 0.3). It occurs due to improper neutralization of input in the 'container_right_width' attribute of the 'simple_random_posts' shortcode. Authenticated attackers with contributor-level privileges or higher can inject arbitrary web scripts that execute when users view the injected pages. The vulnerability has a CVSS 3.1 base score of 6.4 (AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N), reflecting network attack vector, low attack complexity, and partial confidentiality and integrity impact. No patch or official remediation is currently documented.
Potential Impact
An attacker with contributor-level or higher access can exploit this vulnerability to inject stored malicious scripts into pages via the vulnerable shortcode attribute. This can lead to execution of arbitrary scripts in the context of users viewing the page, potentially compromising user data confidentiality and integrity. Availability is not impacted. The vulnerability requires authenticated access, limiting exposure to users with some level of trust on the site.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict contributor-level access to trusted users only and consider disabling or removing the Simple Random Posts Shortcode plugin if possible. Monitor for updates from the vendor regarding patches or official mitigations.
CVE-2026-6246: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in mkerstner Simple Random Posts Shortcode
Description
The Simple Random Posts Shortcode plugin for WordPress up to version 0. 3 contains a stored cross-site scripting (XSS) vulnerability in the 'container_right_width' attribute of its shortcode. This vulnerability arises from insufficient input sanitization and output escaping, allowing authenticated users with contributor-level access or higher to inject malicious scripts. These scripts execute whenever any user accesses the affected page. The vulnerability has a CVSS 3. 1 score of 6. 4, indicating a medium severity level. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.
CVSS v3.1
Score 6.4medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-6246 is a stored cross-site scripting vulnerability in the Simple Random Posts Shortcode WordPress plugin (up to version 0.3). It occurs due to improper neutralization of input in the 'container_right_width' attribute of the 'simple_random_posts' shortcode. Authenticated attackers with contributor-level privileges or higher can inject arbitrary web scripts that execute when users view the injected pages. The vulnerability has a CVSS 3.1 base score of 6.4 (AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N), reflecting network attack vector, low attack complexity, and partial confidentiality and integrity impact. No patch or official remediation is currently documented.
Potential Impact
An attacker with contributor-level or higher access can exploit this vulnerability to inject stored malicious scripts into pages via the vulnerable shortcode attribute. This can lead to execution of arbitrary scripts in the context of users viewing the page, potentially compromising user data confidentiality and integrity. Availability is not impacted. The vulnerability requires authenticated access, limiting exposure to users with some level of trust on the site.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict contributor-level access to trusted users only and consider disabling or removing the Simple Random Posts Shortcode plugin if possible. Monitor for updates from the vendor regarding patches or official mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-04-13T17:44:25.829Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69e8877219fe3cd2cd8093e4
Added to database: 4/22/2026, 8:31:46 AM
Last enriched: 4/29/2026, 11:23:07 AM
Last updated: 6/5/2026, 6:10:06 PM
Views: 60
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